Mark Ashton "Thurop" Van Orman (born April 26, 1976) is an American cartoonist, animator, writer, producer, director, and voice actor. He worked with Cartoon Network to create and produce the animated series The Marvelous Misadventures of Flapjack (2008–2010), in which he also voiced the titular character. He made his directorial debut with The Angry Birds Movie 2 (2019), and wrote the screenplay for its upcoming sequel.